What city is known as the "Capital of Silicon Valley"?

San Jose  is the economic, cultural, and political center of Silicon Valley and the largest city in Northern California. With an estimated 2015 population of 1,026,908, it is the third most populous city in California (after Los Angeles and San Diego) and the tenth most populous in United States.

San Jose is considered to be a global city, notable for its affluence and high cost of living. San Jose's location within the booming high tech industry, as a cultural, political, and economic center has earned the city the nickname "Capital of Silicon Valley". San Jose is one of the wealthiest major cities in the United States and the world, and has the third highest GDP per capita in the world (after Zurich, Switzerland and Oslo, Norway), according to the Brookings Institution.

With a median home price of $1,085,000, San Jose has the most expensive housing market in the country and the fifth most expensive housing market in the world, according to the 2017 Demographia International Housing Affordability Survey. Major global tech companies including Cisco Systems, eBay, Adobe Systems, PayPal, Brocade, Samsung, Acer, and Western Digital maintain their headquarters in San Jose, in the center of Silicon Valley.